CVE-2019-25513
📋 TL;DR
CVE-2019-25513 is an SQL injection vulnerability in Jettweb PHP Hazir Haber Sitesi Scripti V3 that allows unauthenticated attackers to execute arbitrary SQL queries through the 'q' parameter in datagetir.php. This enables attackers to extract sensitive database information, bypass authentication, or potentially take control of the affected system. Any website using this specific PHP script version is vulnerable.
💻 Affected Systems
- Jettweb PHP Hazir Haber Sitesi Scripti
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise leading to data theft, authentication bypass, privilege escalation, and potential remote code execution through database functions.
Likely Case
Extraction of sensitive user data (credentials, personal information), database schema discovery, and potential authentication bypass.
If Mitigated
Limited information disclosure if database permissions are properly restricted and input validation is implemented.
🎯 Exploit Status
Exploit code is publicly available on Exploit-DB. Time-based blind SQL injection technique used.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: Not available
Restart Required: No
Instructions:
1. Check for updated version from vendor. 2. If no patch available, implement parameterized queries. 3. Replace datagetir.php with secure version. 4. Validate and sanitize all user inputs.
🔧 Temporary Workarounds
Input Validation and Sanitization
allAdd input validation and sanitization for the 'q' parameter in datagetir.php
Edit datagetir.php to add: $q = mysqli_real_escape_string($connection, $_GET['q']);
Parameterized Query Implementation
allReplace vulnerable SQL queries with parameterized/prepared statements
Replace raw SQL queries with prepared statements using mysqli or PDO
🧯 If You Can't Patch
- Implement web application firewall (WAF) with SQL injection rules
- Restrict access to datagetir.php via .htaccess or web server configuration
🔍 How to Verify
Check if Vulnerable:
Test datagetir.php with SQL injection payloads in 'q' parameter: datagetir.php?q=1' AND SLEEP(5)--Check Version:
Check script files for version information or consult vendor documentationVerify Fix Applied:
Test with same payloads after fix - should return error or no delay📡 Detection & Monitoring
Log Indicators:
- Multiple requests to datagetir.php with SQL keywords in parameters
- Unusual database query patterns
- Long response times from datagetir.php
Network Indicators:
- GET requests to datagetir.php containing SQL injection patterns
- Unusual traffic patterns to the vulnerable endpoint
SIEM Query:
source="web_logs" AND uri="*datagetir.php*" AND (query="*SELECT*" OR query="*UNION*" OR query="*SLEEP*")